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The Change™-HF protects and outperforms every other HF-Alky gasket on the market.
-Flexibility of a proven spiral wound, low seating stress of a kammprofile.
-Graphite filled like a spiral wound, graphite faced like a kammprofile
-Sigma PTFE inner ring barrier protects the flange from acid corrosion and also fills any existing corrosion damage
-Unique wire profile stores more elastic energy to create better dynamic performance and superior load retention in cyclic applications
-Excellent recovery (tested with 34% recovery @ 18K PSI [124 MPa], 30% compression)
-No spring washers needed, no re-torque required
-Cycle over & over, and maintain sealability
| Brand | Change HF |
| Media | Hazardous |
| Flange Face | Raised & Flat Face |
| Maximum Temperature | 260°C / 500°F |
| Minimum Temperature | -240°C / -400°F |
| Pressure | 103 Bars / 1493.89 PSI |
| Pressure Class | 150, 150 & 300, 300, 600 |
| Pressure Rating | PN10, PN16, PN25, PN40, PN64, PN100 |
| Approvals | Pending |
